Home / 3,427.88-4,730.47-1,936.11

Finding the Fourth Proportional to 3,427.88, 4,730.47 and 1,936.11

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Solution

The fourth proportional to 3,427.88, 4,730.47 and 1,936.11 is: 2,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.88 : 4,730.47 = 1,936.11 : x
  2. Step 2: Convert to fraction form
    3,427.88/4,730.47 = 1,936.11/x
  3. Step 3: Cross multiply
    3,427.88x = 4,730.47 × 1,936.11
  4. Step 4: Simplify right side
    3,427.88x = 9,158,710.27
  5. Step 5: Solve for x
    x = 9,158,710.27/3,427.88
  6. Step 6: Final answer
    x = 2,671.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.